Shigeki Ishihara
4Patents
4h-index
12Co-inventors
43Inventor score
Filing activity: Jul 27, 1992 → Aug 20, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5359255A | Discharge tube having a double-tube type structure | Electricity | 111 | Expired |
| US6853974B1 | Workflow system, workflow control method and storage medium | Physics | 24 | Expired |
| US5614787A | Metal halide lamp having heat dam portion | Electricity | 9 | Expired |
| US5525856A | Light irradiation device | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.